Castañeda-Serrano, Roman David, et al. “Use of Cashew and Castor Essential Oils to Improve Fibre Digestibility in High Forage Diets: Digestibility, Ruminal Fermentation and Microbial Protein Synthesis”. Semina: Ciências Agrárias, vol. 41, no. 6Supl2, Nov. 2020, pp. 3429-40, doi:10.5433/1679-0359.2020v41n6Supl2p3429.